Unit 10 - Internet Security

What does this padlock sign mean in the address bar of your browser?

• The site is secure and data is transmitted using SSL

• There is a padlock available for purchase

• The website does not include "safety locks"

• The page is locked down for some odd reason

If the same key is used to encrypt and decrypt a message, this is known as? 

• Symmetric encryption
• Encryption doesn't exist!
• Asymmetric encryption
• Same-key encryption

What type of key can be freely shared with anyone so that they can encrypt a message?

• Personal key
• Private key
• Free key
• Public key

What does SSL stand for?

• Secure Socket Layer

• Secret Secure Layer

The process of converting plaintext to ciphertext.

• cryptography

• cyphertext

• decryption

• encryption

Information that is readable without performing any cryptographic operations.

• cryptography

• plaintext

• encryption

• decryption

This type of firewall inspects every packet, as well as checking the port number and IP address

• Stateful

• Stateless

Which one is NOT a function of a proxy server?

• Enables anonymous surfing

• Used to filter online content

• Provides a cache of previously visited sites

• Uses asymmetric encryption

A digital certificate is issued by..

• a digital authoriser

• a certificate authority

• a certificate handler

• a digital certificate handler

Which of these is NOT included in a digital certificate?

• expiry date

• subjects public key

• Name of the certificate authority

• receivers private key